your answer is the third one.
Usually representing a solid you used a 3d model.
And there are balls in them representing atoms and in a video it shakes or vibrates to represent the motions of a solid.
The answer to your question is supply invoice
Matter can be recycled, but energy cannot. Also, only 10% of the energy is passed through each trophic level.
I believe the correct answer is natural selection.
Natural competition and the fight for “survival of the fittest” is what pushes diversity the most.
The change of potential energy into kinetic energy.
